Docker Desktop; Visual Studio for Mac 2019; Installation and Setup. For Docker installation, review and follow the information at Install Docker Desktop for Mac. Creating an ASP.NET Core Web Application and Adding Docker Support. Create a new solution by going to File New Solution. Under.NET Core App choose the Web Application template. Nov 12, 2018 Docker was originally developed for Linux. Running Docker on macOS used to be pretty complicated, but a native macOS app Docker for Mac launched in July 2016, so now it’s a breeze! The Community Edition (CE) is a free download, so download Docker CE for Mac, then install and run the app. Moby the whale should appear in your Mac’s status bar.
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It can be confusing to figure out how to use Dockercontainers in your Python andBottledevelopment environment workflow.This tutorial will quickly show you the exact steps to get Dockerup and running on macOS with a working Bottleweb application
Our Tools
This tutorial is written for Python 3. It may work withPython 2 but it has not been testing with that soon-to-be deprecated2.7 version. You should really be using Python 3,preferrably the latest release which is currently3.6.5.
Docker for Mac is necessaryto run Docker containers. I recommend that you use the stable release unlessyou have an explicit purpose for theedge channel.
Within the Docker container we will use:
- Python 3, specifically theslim-3.6.5 versionfrom Docker Hub
- Bottle version 0.12.13
All for the Dockerfile and the Bottle project are available open sourceunder the MIT license on GitHub under thedocker-bottle-mac directoryof theblog-code-examplesrepository.
Installing Docker on macOS
We must install Docker before we can spin up our containers. Jump tothe next section if you already have Docker for Mac installed and workingon your computer.
On your Mac,download the Docker Community Edition (CE) for Macinstaller.
Open Finder and go to the downloads folder where the installation file is located.Follow the installation steps and open Terminal when the installer finishes.
Test your Docker installation by running the docker command along with the--version flag:
If Docker is installed correctly you should see the following output:
Note that Docker runs through a system agent you can find in the menu bar.
May 26, 2020 If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos. 
Show All Running Apps On Mac Using Force Quit Applications Manager. Another method to check all the Running apps and programs on your Mac is through the Force Quit applications manager on Mac. Click on the Apple icon in the top menu bar of your Mac and then click on Force Quit Application in the drop-down menu (See image below). May 17, 2013 Hey Nick, this applies to all versions of Mac OS. In fact, you can view all running processes and apps this way using any version of Mac OS or Mac OS X, whether that is macOS High Sierra, Sierra, OS X EL Capitan, Yosemite, Mavericks, Snow Leopard, Tiger, Mountain Lion, or any other version, they all include “Activity Monitor” and the.
Docker is now installed so we can run a container and write a simpleBottle application to test running an app within the container.
Dockerfile
Docker needs to know what we want in our container so we specify animage using a Dockerfile.
Save the Dockerfile and then on the commandline run:
The above docker build file uses the -t flag to tag the image withthe name of bottledock.
If the build worked successfully the shell will showsome completed output like the following:
We can also see the image with the docker image lsDrawing software free for mac. command. Give thata try now:
Our tag name should appear in the images list:
Our image is ready to load as a container so we can code a shortBottle web app for testing and then further development.
Coding A Bottle Web App
It is time to code a simple 'Hello, World!'-style Bottle app to testrunning Python code within our Docker container. Within the currentproject directory, create a file named app.py with the following contents:
The above code returns a simple 'Hello, world!' message whenexecuted by the Bottle development server and contacted by a client.
We need just one more file to specify our bottle dependency. Createa requirements.txt file within the same directory as app.py:
Make sure both the app.py and requirements.txt file are saved thenwe can give the code a try.
Running the Container
Now that we have our image in hand along with the Python code in a filewe can run the image as a container with the docker run command. Executethe following command, making sure to replace the absolute path for thevolume to your own directory.
If you receive the errorpython: can't open file 'app.py': [Errno 2] No such file or directory thenyou likely did not change /Users/matt/devel/py/bottledocker to thedirectory where your project files, especially app.py, are located.
Everything worked when you see a simple text-based HTTP response like whatis shown above in the screenshot of my Chrome browser.
What's Next?
We just installed Docker and wrote a Bottle web app to run inside acontainer. That is just the beginning of how you can integrate Docker intoyour workflow.
Next up take a look at the Bottle, Dockerand deployment pages for more tutorials.
Questions? Let me know via a GitHubissue ticket on the Full Stack Python repository,on Twitter@fullstackpythonor @mattmakai.
Mac Os Install Docker
Do you see a typo, syntax issue or just something that's confusing in thisblog post? Forkthis page's source on GitHuband submit a pull request with a fix orfile an issue ticket on GitHub.